ASN Wikibase Occurrence # 39090
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Date: | Saturday 21 April 1984 |
Time: | 19:00 |
Type: | Teratorn Tierra II |
Owner/operator: | Hawker Flying |
Registration: | unreg. |
MSN: | 3113HF2T |
Fatalities: | Fatalities: 1 / Occupants: 1 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Chico, CA -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE ULTRALIGHT WAS BEING TEST FLOWN AFTER ALTERATIONS TO THE ACFT & ITS FLIGHT CONTROL SYSTEM. THE PLT PUT THE ACFT THROUGH SOME MANEUVERS AND DURING ONE OF THEM, DESCRIBED BY WITNESSES AS A CHANDELLE, THE ACFT NOSED DOWN & CRASHED INTOTHE GROUND. THE ACFT DOVE FROM ABOUT 300 FT AGL. INVESTIGATION REVEALED THAT AN ELEVATOR CONTROL SEAT HORN HAD FAILED & SEPARATED IN flight. PARTS OF THIS FAILED PART WERE NOT FOUND IN THE WRECKAGE. THIS CONTROL PART HAD BEEN MODIFIED WITH MORE SPACING WASHERS THAN REQUIRED WHICH INCREASED ITS TORSIONAL LOADING. AFTER THIS FAILURE, THE PLT HAD NO CONTROL OVER THE ACFT ELEVATOR. CAUSE:
Sources:
NTSB:
https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001214X39299 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
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